Picture of Experiment with Lumi and original negatives (fail)
Last month we're selected to participate into Lumi night at Makespace Madrid. This instructable  summarizes a failed experiment. I decided to reuse old negatives to customize a shirt. This is the process.

Step 1: Materials

Picture of Materials
Natural fiber shirt, old negatives, scissors, Lumi product set, adhesive tape or other opaque material to the edge.